Home / 7,403.34-10,215.45-4,258.92

Finding the Fourth Proportional to 7,403.34, 10,215.45 and 4,258.92

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Solution

The fourth proportional to 7,403.34, 10,215.45 and 4,258.92 is: 5,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.34 : 10,215.45 = 4,258.92 : x
  2. Step 2: Convert to fraction form
    7,403.34/10,215.45 = 4,258.92/x
  3. Step 3: Cross multiply
    7,403.34x = 10,215.45 × 4,258.92
  4. Step 4: Simplify right side
    7,403.34x = 43,506,784.31
  5. Step 5: Solve for x
    x = 43,506,784.31/7,403.34
  6. Step 6: Final answer
    x = 5,876.64

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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.