Home / 4,875.12-7,307.64-2,408.40

Finding the Fourth Proportional to 4,875.12, 7,307.64 and 2,408.40

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Solution

The fourth proportional to 4,875.12, 7,307.64 and 2,408.40 is: 3,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.12 : 7,307.64 = 2,408.40 : x
  2. Step 2: Convert to fraction form
    4,875.12/7,307.64 = 2,408.40/x
  3. Step 3: Cross multiply
    4,875.12x = 7,307.64 × 2,408.40
  4. Step 4: Simplify right side
    4,875.12x = 17,599,720.18
  5. Step 5: Solve for x
    x = 17,599,720.18/4,875.12
  6. Step 6: Final answer
    x = 3,610.11

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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.