Home / 5,307.84-7,318.08-3,534.48

Finding the Fourth Proportional to 5,307.84, 7,318.08 and 3,534.48

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Solution

The fourth proportional to 5,307.84, 7,318.08 and 3,534.48 is: 4,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.84 : 7,318.08 = 3,534.48 : x
  2. Step 2: Convert to fraction form
    5,307.84/7,318.08 = 3,534.48/x
  3. Step 3: Cross multiply
    5,307.84x = 7,318.08 × 3,534.48
  4. Step 4: Simplify right side
    5,307.84x = 25,865,607.40
  5. Step 5: Solve for x
    x = 25,865,607.40/5,307.84
  6. Step 6: Final answer
    x = 4,873.09

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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.