Home / 4,117.08-5,681.58-2,254.20

Finding the Fourth Proportional to 4,117.08, 5,681.58 and 2,254.20

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Solution

The fourth proportional to 4,117.08, 5,681.58 and 2,254.20 is: 3,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.08 : 5,681.58 = 2,254.20 : x
  2. Step 2: Convert to fraction form
    4,117.08/5,681.58 = 2,254.20/x
  3. Step 3: Cross multiply
    4,117.08x = 5,681.58 × 2,254.20
  4. Step 4: Simplify right side
    4,117.08x = 12,807,417.64
  5. Step 5: Solve for x
    x = 12,807,417.64/4,117.08
  6. Step 6: Final answer
    x = 3,110.80

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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.