Home / 5,377.76-7,417.52-4,937.12

Finding the Fourth Proportional to 5,377.76, 7,417.52 and 4,937.12

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Solution

The fourth proportional to 5,377.76, 7,417.52 and 4,937.12 is: 6,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.76 : 7,417.52 = 4,937.12 : x
  2. Step 2: Convert to fraction form
    5,377.76/7,417.52 = 4,937.12/x
  3. Step 3: Cross multiply
    5,377.76x = 7,417.52 × 4,937.12
  4. Step 4: Simplify right side
    5,377.76x = 36,621,186.34
  5. Step 5: Solve for x
    x = 36,621,186.34/5,377.76
  6. Step 6: Final answer
    x = 6,809.75

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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.