Home / 7,024.78-9,680.88-5,031.91

Finding the Fourth Proportional to 7,024.78, 9,680.88 and 5,031.91

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Solution

The fourth proportional to 7,024.78, 9,680.88 and 5,031.91 is: 6,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.78 : 9,680.88 = 5,031.91 : x
  2. Step 2: Convert to fraction form
    7,024.78/9,680.88 = 5,031.91/x
  3. Step 3: Cross multiply
    7,024.78x = 9,680.88 × 5,031.91
  4. Step 4: Simplify right side
    7,024.78x = 48,713,316.88
  5. Step 5: Solve for x
    x = 48,713,316.88/7,024.78
  6. Step 6: Final answer
    x = 6,934.50

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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.