Home / 2,995.48-4,133.32-1,669.20

Finding the Fourth Proportional to 2,995.48, 4,133.32 and 1,669.20

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Solution

The fourth proportional to 2,995.48, 4,133.32 and 1,669.20 is: 2,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.48 : 4,133.32 = 1,669.20 : x
  2. Step 2: Convert to fraction form
    2,995.48/4,133.32 = 1,669.20/x
  3. Step 3: Cross multiply
    2,995.48x = 4,133.32 × 1,669.20
  4. Step 4: Simplify right side
    2,995.48x = 6,899,337.74
  5. Step 5: Solve for x
    x = 6,899,337.74/2,995.48
  6. Step 6: Final answer
    x = 2,303.25

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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.