Home / 3,417.13-5,125.38-951.76

Finding the Fourth Proportional to 3,417.13, 5,125.38 and 951.76

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Solution

The fourth proportional to 3,417.13, 5,125.38 and 951.76 is: 1,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.13 : 5,125.38 = 951.76 : x
  2. Step 2: Convert to fraction form
    3,417.13/5,125.38 = 951.76/x
  3. Step 3: Cross multiply
    3,417.13x = 5,125.38 × 951.76
  4. Step 4: Simplify right side
    3,417.13x = 4,878,131.67
  5. Step 5: Solve for x
    x = 4,878,131.67/3,417.13
  6. Step 6: Final answer
    x = 1,427.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.