Home / 7,370.16-11,055.24-4,290

Finding the Fourth Proportional to 7,370.16, 11,055.24 and 4,290

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Solution

The fourth proportional to 7,370.16, 11,055.24 and 4,290 is: 6,435

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.16 : 11,055.24 = 4,290 : x
  2. Step 2: Convert to fraction form
    7,370.16/11,055.24 = 4,290/x
  3. Step 3: Cross multiply
    7,370.16x = 11,055.24 × 4,290
  4. Step 4: Simplify right side
    7,370.16x = 47,426,979.60
  5. Step 5: Solve for x
    x = 47,426,979.60/7,370.16
  6. Step 6: Final answer
    x = 6,435

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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.