Home / 5,261.75-7,892.35-1,564.01

Finding the Fourth Proportional to 5,261.75, 7,892.35 and 1,564.01

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Solution

The fourth proportional to 5,261.75, 7,892.35 and 1,564.01 is: 2,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.75 : 7,892.35 = 1,564.01 : x
  2. Step 2: Convert to fraction form
    5,261.75/7,892.35 = 1,564.01/x
  3. Step 3: Cross multiply
    5,261.75x = 7,892.35 × 1,564.01
  4. Step 4: Simplify right side
    5,261.75x = 12,343,667.04
  5. Step 5: Solve for x
    x = 12,343,667.04/5,261.75
  6. Step 6: Final answer
    x = 2,345.93

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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.