Home / 4,772.93-7,124.51-4,421.18

Finding the Fourth Proportional to 4,772.93, 7,124.51 and 4,421.18

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Solution

The fourth proportional to 4,772.93, 7,124.51 and 4,421.18 is: 6,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.93 : 7,124.51 = 4,421.18 : x
  2. Step 2: Convert to fraction form
    4,772.93/7,124.51 = 4,421.18/x
  3. Step 3: Cross multiply
    4,772.93x = 7,124.51 × 4,421.18
  4. Step 4: Simplify right side
    4,772.93x = 31,498,769.99
  5. Step 5: Solve for x
    x = 31,498,769.99/4,772.93
  6. Step 6: Final answer
    x = 6,599.47

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.