Home / 4,953.10-7,430.79-1,666.11

Finding the Fourth Proportional to 4,953.10, 7,430.79 and 1,666.11

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Solution

The fourth proportional to 4,953.10, 7,430.79 and 1,666.11 is: 2,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.10 : 7,430.79 = 1,666.11 : x
  2. Step 2: Convert to fraction form
    4,953.10/7,430.79 = 1,666.11/x
  3. Step 3: Cross multiply
    4,953.10x = 7,430.79 × 1,666.11
  4. Step 4: Simplify right side
    4,953.10x = 12,380,486.02
  5. Step 5: Solve for x
    x = 12,380,486.02/4,953.10
  6. Step 6: Final answer
    x = 2,499.54

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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.