Home / 7,731.04-10,663.98-4,585

Finding the Fourth Proportional to 7,731.04, 10,663.98 and 4,585

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Solution

The fourth proportional to 7,731.04, 10,663.98 and 4,585 is: 6,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.04 : 10,663.98 = 4,585 : x
  2. Step 2: Convert to fraction form
    7,731.04/10,663.98 = 4,585/x
  3. Step 3: Cross multiply
    7,731.04x = 10,663.98 × 4,585
  4. Step 4: Simplify right side
    7,731.04x = 48,894,348.30
  5. Step 5: Solve for x
    x = 48,894,348.30/7,731.04
  6. Step 6: Final answer
    x = 6,324.42

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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.