Home / 3,050.70-4,209.94-1,653.45

Finding the Fourth Proportional to 3,050.70, 4,209.94 and 1,653.45

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Solution

The fourth proportional to 3,050.70, 4,209.94 and 1,653.45 is: 2,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.70 : 4,209.94 = 1,653.45 : x
  2. Step 2: Convert to fraction form
    3,050.70/4,209.94 = 1,653.45/x
  3. Step 3: Cross multiply
    3,050.70x = 4,209.94 × 1,653.45
  4. Step 4: Simplify right side
    3,050.70x = 6,960,925.29
  5. Step 5: Solve for x
    x = 6,960,925.29/3,050.70
  6. Step 6: Final answer
    x = 2,281.75

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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.