Home / 5,192.16-7,159.76-3,421.52

Finding the Fourth Proportional to 5,192.16, 7,159.76 and 3,421.52

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Solution

The fourth proportional to 5,192.16, 7,159.76 and 3,421.52 is: 4,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.16 : 7,159.76 = 3,421.52 : x
  2. Step 2: Convert to fraction form
    5,192.16/7,159.76 = 3,421.52/x
  3. Step 3: Cross multiply
    5,192.16x = 7,159.76 × 3,421.52
  4. Step 4: Simplify right side
    5,192.16x = 24,497,262.04
  5. Step 5: Solve for x
    x = 24,497,262.04/5,192.16
  6. Step 6: Final answer
    x = 4,718.13

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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.