Home / 2,993.32-4,130.65-1,666.99

Finding the Fourth Proportional to 2,993.32, 4,130.65 and 1,666.99

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Solution

The fourth proportional to 2,993.32, 4,130.65 and 1,666.99 is: 2,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.32 : 4,130.65 = 1,666.99 : x
  2. Step 2: Convert to fraction form
    2,993.32/4,130.65 = 1,666.99/x
  3. Step 3: Cross multiply
    2,993.32x = 4,130.65 × 1,666.99
  4. Step 4: Simplify right side
    2,993.32x = 6,885,752.24
  5. Step 5: Solve for x
    x = 6,885,752.24/2,993.32
  6. Step 6: Final answer
    x = 2,300.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.