Home / 2,875.11-4,312.70-795.24

Finding the Fourth Proportional to 2,875.11, 4,312.70 and 795.24

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Solution

The fourth proportional to 2,875.11, 4,312.70 and 795.24 is: 1,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.11 : 4,312.70 = 795.24 : x
  2. Step 2: Convert to fraction form
    2,875.11/4,312.70 = 795.24/x
  3. Step 3: Cross multiply
    2,875.11x = 4,312.70 × 795.24
  4. Step 4: Simplify right side
    2,875.11x = 3,429,627.57
  5. Step 5: Solve for x
    x = 3,429,627.57/2,875.11
  6. Step 6: Final answer
    x = 1,192.87

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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.