Home / 7,875.90-10,868.58-4,733.10

Finding the Fourth Proportional to 7,875.90, 10,868.58 and 4,733.10

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Solution

The fourth proportional to 7,875.90, 10,868.58 and 4,733.10 is: 6,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.90 : 10,868.58 = 4,733.10 : x
  2. Step 2: Convert to fraction form
    7,875.90/10,868.58 = 4,733.10/x
  3. Step 3: Cross multiply
    7,875.90x = 10,868.58 × 4,733.10
  4. Step 4: Simplify right side
    7,875.90x = 51,442,076.00
  5. Step 5: Solve for x
    x = 51,442,076.00/7,875.90
  6. Step 6: Final answer
    x = 6,531.58

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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.