Home / 1,774.28-2,448.70-1,075.64

Finding the Fourth Proportional to 1,774.28, 2,448.70 and 1,075.64

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Solution

The fourth proportional to 1,774.28, 2,448.70 and 1,075.64 is: 1,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.28 : 2,448.70 = 1,075.64 : x
  2. Step 2: Convert to fraction form
    1,774.28/2,448.70 = 1,075.64/x
  3. Step 3: Cross multiply
    1,774.28x = 2,448.70 × 1,075.64
  4. Step 4: Simplify right side
    1,774.28x = 2,633,919.67
  5. Step 5: Solve for x
    x = 2,633,919.67/1,774.28
  6. Step 6: Final answer
    x = 1,484.50

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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.