Home / 7,258.24-10,887.36-2,876.72

Finding the Fourth Proportional to 7,258.24, 10,887.36 and 2,876.72

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Solution

The fourth proportional to 7,258.24, 10,887.36 and 2,876.72 is: 4,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.24 : 10,887.36 = 2,876.72 : x
  2. Step 2: Convert to fraction form
    7,258.24/10,887.36 = 2,876.72/x
  3. Step 3: Cross multiply
    7,258.24x = 10,887.36 × 2,876.72
  4. Step 4: Simplify right side
    7,258.24x = 31,319,886.26
  5. Step 5: Solve for x
    x = 31,319,886.26/7,258.24
  6. Step 6: Final answer
    x = 4,315.08

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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.