Home / 5,113.26-7,056.15-2,875.08

Finding the Fourth Proportional to 5,113.26, 7,056.15 and 2,875.08

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Solution

The fourth proportional to 5,113.26, 7,056.15 and 2,875.08 is: 3,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.26 : 7,056.15 = 2,875.08 : x
  2. Step 2: Convert to fraction form
    5,113.26/7,056.15 = 2,875.08/x
  3. Step 3: Cross multiply
    5,113.26x = 7,056.15 × 2,875.08
  4. Step 4: Simplify right side
    5,113.26x = 20,286,976.14
  5. Step 5: Solve for x
    x = 20,286,976.14/5,113.26
  6. Step 6: Final answer
    x = 3,967.53

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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.