Home / 5,259.74-7,258.11-2,869.53

Finding the Fourth Proportional to 5,259.74, 7,258.11 and 2,869.53

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Solution

The fourth proportional to 5,259.74, 7,258.11 and 2,869.53 is: 3,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.74 : 7,258.11 = 2,869.53 : x
  2. Step 2: Convert to fraction form
    5,259.74/7,258.11 = 2,869.53/x
  3. Step 3: Cross multiply
    5,259.74x = 7,258.11 × 2,869.53
  4. Step 4: Simplify right side
    5,259.74x = 20,827,326.41
  5. Step 5: Solve for x
    x = 20,827,326.41/5,259.74
  6. Step 6: Final answer
    x = 3,959.77

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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.