Home / 7,870.10-11,805.26-2,323.53

Finding the Fourth Proportional to 7,870.10, 11,805.26 and 2,323.53

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Solution

The fourth proportional to 7,870.10, 11,805.26 and 2,323.53 is: 3,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.10 : 11,805.26 = 2,323.53 : x
  2. Step 2: Convert to fraction form
    7,870.10/11,805.26 = 2,323.53/x
  3. Step 3: Cross multiply
    7,870.10x = 11,805.26 × 2,323.53
  4. Step 4: Simplify right side
    7,870.10x = 27,429,864.15
  5. Step 5: Solve for x
    x = 27,429,864.15/7,870.10
  6. Step 6: Final answer
    x = 3,485.33

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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.