Home / 5,113.67-7,056.51-2,875.52

Finding the Fourth Proportional to 5,113.67, 7,056.51 and 2,875.52

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Solution

The fourth proportional to 5,113.67, 7,056.51 and 2,875.52 is: 3,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.67 : 7,056.51 = 2,875.52 : x
  2. Step 2: Convert to fraction form
    5,113.67/7,056.51 = 2,875.52/x
  3. Step 3: Cross multiply
    5,113.67x = 7,056.51 × 2,875.52
  4. Step 4: Simplify right side
    5,113.67x = 20,291,100.35
  5. Step 5: Solve for x
    x = 20,291,100.35/5,113.67
  6. Step 6: Final answer
    x = 3,968.02

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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.