Home / 4,547.19-6,272.90-2,775.72

Finding the Fourth Proportional to 4,547.19, 6,272.90 and 2,775.72

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Solution

The fourth proportional to 4,547.19, 6,272.90 and 2,775.72 is: 3,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.19 : 6,272.90 = 2,775.72 : x
  2. Step 2: Convert to fraction form
    4,547.19/6,272.90 = 2,775.72/x
  3. Step 3: Cross multiply
    4,547.19x = 6,272.90 × 2,775.72
  4. Step 4: Simplify right side
    4,547.19x = 17,411,800.11
  5. Step 5: Solve for x
    x = 17,411,800.11/4,547.19
  6. Step 6: Final answer
    x = 3,829.13

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Half scale
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Double scale
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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.