Home / 3,117.16-4,652.90-2,748.08

Finding the Fourth Proportional to 3,117.16, 4,652.90 and 2,748.08

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Solution

The fourth proportional to 3,117.16, 4,652.90 and 2,748.08 is: 4,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.16 : 4,652.90 = 2,748.08 : x
  2. Step 2: Convert to fraction form
    3,117.16/4,652.90 = 2,748.08/x
  3. Step 3: Cross multiply
    3,117.16x = 4,652.90 × 2,748.08
  4. Step 4: Simplify right side
    3,117.16x = 12,786,541.43
  5. Step 5: Solve for x
    x = 12,786,541.43/3,117.16
  6. Step 6: Final answer
    x = 4,101.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.