Home / 4,139.32-5,712.52-2,370.88

Finding the Fourth Proportional to 4,139.32, 5,712.52 and 2,370.88

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Solution

The fourth proportional to 4,139.32, 5,712.52 and 2,370.88 is: 3,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.32 : 5,712.52 = 2,370.88 : x
  2. Step 2: Convert to fraction form
    4,139.32/5,712.52 = 2,370.88/x
  3. Step 3: Cross multiply
    4,139.32x = 5,712.52 × 2,370.88
  4. Step 4: Simplify right side
    4,139.32x = 13,543,699.42
  5. Step 5: Solve for x
    x = 13,543,699.42/4,139.32
  6. Step 6: Final answer
    x = 3,271.96

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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.