Home / 4,681.16-6,987.44-4,127.58

Finding the Fourth Proportional to 4,681.16, 6,987.44 and 4,127.58

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Solution

The fourth proportional to 4,681.16, 6,987.44 and 4,127.58 is: 6,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.16 : 6,987.44 = 4,127.58 : x
  2. Step 2: Convert to fraction form
    4,681.16/6,987.44 = 4,127.58/x
  3. Step 3: Cross multiply
    4,681.16x = 6,987.44 × 4,127.58
  4. Step 4: Simplify right side
    4,681.16x = 28,841,227.91
  5. Step 5: Solve for x
    x = 28,841,227.91/4,681.16
  6. Step 6: Final answer
    x = 6,161.14

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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.