Home / 3,724.61-5,587.53-1,258.87

Finding the Fourth Proportional to 3,724.61, 5,587.53 and 1,258.87

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Solution

The fourth proportional to 3,724.61, 5,587.53 and 1,258.87 is: 1,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.61 : 5,587.53 = 1,258.87 : x
  2. Step 2: Convert to fraction form
    3,724.61/5,587.53 = 1,258.87/x
  3. Step 3: Cross multiply
    3,724.61x = 5,587.53 × 1,258.87
  4. Step 4: Simplify right side
    3,724.61x = 7,033,967.60
  5. Step 5: Solve for x
    x = 7,033,967.60/3,724.61
  6. Step 6: Final answer
    x = 1,888.51

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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.