Home / 7,548.81-10,417.53-4,191.58

Finding the Fourth Proportional to 7,548.81, 10,417.53 and 4,191.58

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Solution

The fourth proportional to 7,548.81, 10,417.53 and 4,191.58 is: 5,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.81 : 10,417.53 = 4,191.58 : x
  2. Step 2: Convert to fraction form
    7,548.81/10,417.53 = 4,191.58/x
  3. Step 3: Cross multiply
    7,548.81x = 10,417.53 × 4,191.58
  4. Step 4: Simplify right side
    7,548.81x = 43,665,915.56
  5. Step 5: Solve for x
    x = 43,665,915.56/7,548.81
  6. Step 6: Final answer
    x = 5,784.48

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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.