Home / 4,547.34-6,276.15-3,221.10

Finding the Fourth Proportional to 4,547.34, 6,276.15 and 3,221.10

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Solution

The fourth proportional to 4,547.34, 6,276.15 and 3,221.10 is: 4,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.34 : 6,276.15 = 3,221.10 : x
  2. Step 2: Convert to fraction form
    4,547.34/6,276.15 = 3,221.10/x
  3. Step 3: Cross multiply
    4,547.34x = 6,276.15 × 3,221.10
  4. Step 4: Simplify right side
    4,547.34x = 20,216,106.77
  5. Step 5: Solve for x
    x = 20,216,106.77/4,547.34
  6. Step 6: Final answer
    x = 4,445.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.