Home / 4,870.99-7,307.40-1,585.02

Finding the Fourth Proportional to 4,870.99, 7,307.40 and 1,585.02

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Solution

The fourth proportional to 4,870.99, 7,307.40 and 1,585.02 is: 2,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.99 : 7,307.40 = 1,585.02 : x
  2. Step 2: Convert to fraction form
    4,870.99/7,307.40 = 1,585.02/x
  3. Step 3: Cross multiply
    4,870.99x = 7,307.40 × 1,585.02
  4. Step 4: Simplify right side
    4,870.99x = 11,582,408.49
  5. Step 5: Solve for x
    x = 11,582,408.49/4,870.99
  6. Step 6: Final answer
    x = 2,377.83

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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.